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http://pubs.usgs.gov/publications/text/East_Africa.html

Map of East Africa showing tectonic plates

USGS, 5 May 1999


[map of East Africa]
Map of East Africa showing some of the historically active volcanoes (red triangles) and the Afar Triangle (shaded, center)—a so-called triple junction (or triple point), where three plates are pulling away from one another: the Arabian Plate, and the two parts of the African Plate (the Nubian and the Somalian) splitting along the East African Rift Zone.